1) vector watermark
矢量水印
1.
With the stationary image digital watermark algorithm, the author proposes a digital watermark algorithm based on the vector watermark image.
本文在小波分析理论的基础上,围绕静止图像的数字水印算法的设计展开研究,提出了一种基于矢量水印的图像数字水印算法,首先采用小波分解方法将原始图像分解为高频子图和低频子图;其次对原始水印进行矢量分解,得到两幅矢量子水印图像;并将矢量子水印与自身转置进行乘积运算,考虑到算法的安全性,利用两级密钥分别将乘积运算结果嵌入到对应的高频子图和低频子图中;最后采用小波分解逆运算,得到嵌入水印的图像。
4) Ploying
波印亭矢量
5) Poynting vector
坡印亭矢量
1.
With the principle of work and power,as well as Poynting vector,the reasons for the energy variation in the process of connecting capacitances in parallel are analyzed and discussed.
本文用功能关系和坡印亭矢量分析和讨论了电容器并联过程中能量的变化原因。
2.
,In this paper,self and mutual induced emf are derived by means of the Poynting Vector,and the energy stored in Self and Mutual induced process is discussed.
本文从坡印亭矢量出发，导出了自感电动势和互感电动势。
3.
In this paper, the general formula of electromagnetic moment in electrial machinery is derived from Poynting vector, and the common calculating formula of electromagnetic moment in AC electrical machinery and in DC electrical machinery is further derived.
本文运用坡印亭矢量,推导了电机电磁转矩的一般公式,并进一步统一导出了交流电机和直流电机电磁转矩的常用计算公式。
6) umov-poynting vector
波印廷矢量
补充资料：矢量
即“向量①”(51页)。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条